Grand Seiko Heritage

A high-quality 3-day automatic

The watch has a 3-day power reserve and combines the latest in hairspring technology with an escapement developed through the MEMS technology to achieve high accuracy and stability when worn.

The stately crown guard and lugs complement the shine given off by the mirror-finish achieved through multi-faceted Zaratsu polishing. The case's mirror-finish produces a lustrous shine achieved through multi-faceted Zaratsu polishing. The delicacy, strength and beauty of the movement can be enjoyed the exhibition case back.

Exterior
Case Material : Stainless steel
Glass Material : Dual-curved sapphire crystal
Glass Coating : Anti-reflective coating on inner surface
Case size : Diameter 39.4mm × Thickness 13.5mm
The perimeter of Band : 206mm
Clasp type : Three-fold clasp with push button release

Movement
Caliber no. : 9S65 Instructions
Movement Type : Automatic with manual winding
Power reserve : Approx. 72 hours(3 days)
Accuracy : +5 to -3 seconds per day (when static) / +10 to -1 seconds per day (normal usage accuracy)

Functions
Water resistance : 10 bar
Magnetic resistance : Equipped
Weight : 160.0 g
Other details / Features :
・35 jewels
・Case back with lion emblem
・Date display
・Screw case back
・Screw-down crown
・See-through case back
・Stop second hand function